.flex {
  display: flex;
}
.column {
  flex-direction: column;
}
.between {
  justify-content: space-between;
}
.center {
  justify-content: center;
}
.end {
  justify-content: flex-end;
}
.middle {
  align-items: center;
}
.mr5 {
  margin-right: 5px;
}
.pointer {
  cursor: pointer;
}
.el-message .el-icon-error {
  font-size: 20px;
}
.black-btn {
  .el-button {
    background: #000;
    color: #fff;
  }
}
.el-input-group__append,
.el-input-group__prepend {
  background: transparent;
  span {
    color: #546ffc;
  }
}
